CN204459240U - A kind of instrument root valve - Google Patents

A kind of instrument root valve Download PDF

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Publication number
CN204459240U
CN204459240U CN201520108364.1U CN201520108364U CN204459240U CN 204459240 U CN204459240 U CN 204459240U CN 201520108364 U CN201520108364 U CN 201520108364U CN 204459240 U CN204459240 U CN 204459240U
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China
Prior art keywords
parts
cock
valve
instrument
valve body
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CN201520108364.1U
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Chinese (zh)
Inventor
吴晨
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Safety Valve (taicang) Co Ltd
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Safety Valve (taicang) Co Ltd
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Abstract

The utility model discloses a kind of instrument root valve, comprises valve body, meter base, cock parts, seal cartridge, valve gap, gasket seal and operation rotatable parts, wherein: valve body comprises pedestal, pipeline and chamber; Cock parts comprise the parts of control media break-make and the parts for operating rotation cock; Meter base is positioned at valve body upper end; Seal cartridge is between cock parts and valve body; Valve gap is installed on the outside of cock component controls medium break-make parts, is provided with gasket seal between valve gap and cock parts; Operation rotatable parts are installed on the rotatable parts of cock parts, and operation rotatable parts are with limit stoper.Instrument root valve of the present utility model, because cock and valve body reach elastic packing by seal cartridge, therefore can reach the sealing of VI level; In structure, adopt is welded or integrated method more, because this reducing leakage point, improves the reliability of valve; Pressure relief component is set, solves the problem that builds the pressure in pressure gauge maintenance or unloading process.

Description

A kind of instrument root valve
Technical field
The utility model relates to a kind of Gauge Valves, particularly relates to a kind of instrument root valve.
Background technique
The Main Function of instrument root valve cuts off the pressure between pipeline and instrument, facilitates the maintenance of instrument, checks and change.The structural type of root valve is varied in the market, does not fix pattern.The way of main flow buys conventional valve, needle-valve and ball valve in the majority.Valve one end Joining Technology pipeline, the other end acting flange, with the steel pipe that is threaded on flange, diameter of steel tube is generally 1/4 ", the other end of steel pipe with pressure gauge for being threaded.This structure has following drawback: 1) valve connects complicated, and leakage point is many, and between root valve and flange, flange is connected with steel tube screw thread, and the connection between steel pipe and pressure gauge all exists leakage point; 2) do not have pressure relief opening, change when needs or close root valve when overhauling manometric, the pressure medium in the space now between root valve and pressure gauge is with pressure, if now go to dismantle pressure gauge, probably because the build-up of pressure table that builds the pressure damages; 3) maintenance is inconvenient, and pressure gauge is the eyes in art production process, does not have pressure gauge, and just cannot judge that whether production process is normal, therefore pressure gauge regularly all needs to carry out checking or changing; 4) when valve body is opened, pressure sharply rises, and forms strong impact to instrument.
Model utility content
In order to solve the problem and defect, the purpose of this utility model is to provide a kind of instrument root valve.This instrument root valve can realize the whole mounting structure high-seal of instrument, and facilitates check and the replacing of instrument.
To achieve these goals, the utility model is by the following technical solutions:
A kind of instrument root valve, comprises valve body, meter base, cock parts, seal cartridge, valve gap, gasket seal and operation rotatable parts, wherein:
Described valve body comprise be connected with process pipe pedestal, allow that medium is passed to the pipeline of instrument from process pipe and is positioned in the middle part of pipeline for the chamber with cock parts match;
Described cock parts comprise the parts of control gas break-make and the parts for operating rotation cock, and the two is one-body molded, and the parts wherein controlling gas break-make are positioned at valve body center lumen indoor and are provided with the through hole matched with conduit;
Described meter base is positioned at described valve body upper end, and it is for connecting work instrument;
Described seal cartridge is between described cock parts and described valve body;
Described valve gap is installed on the outside of described cock component controls gas break-make parts, is provided with gasket seal between described valve gap and described cock parts;
Described operation rotatable parts are installed on described cock parts and rotate control end.
Further, described meter base and described valve body are formed in one or welding fabrication.
Further, described valve body is provided with relief hole, is provided with pressure relief component in relief hole.
Further, described pressure relief component is pressure release screw.
Further, described valve body is also provided with detection port and described cock has hole at detection port place, detection port is provided with pressure gauge base, when normal work, pressure gauge base end is sealed by sealing part.
Further, described sealing part is plug, and plug is threaded connection in detection port.
Further, described pressure gauge base is connected by welding on valve body.
Further, described work instrument is connected in meter base by survivor of a murder attempt's nut, can according to user preferences adjust instrument towards.
Further, described rotatable parts are handle, handle limited location device, drive cock to do 90 degree of rotations.
Further, described handle is locked by bolt and nut and cock parts.
Owing to adopting above technological scheme, the utility model compared with prior art tool has the following advantages:
Because cock and valve body reach elastic packing by seal cartridge, the sealing of VI level therefore can be reached; Adopting welding or integrated method due in structure more, because this reducing leakage point, improve the reliability of valve; Pressure relief component is set, solves the problem that builds the pressure in pressure gauge maintenance or unloading process.Use safer; Add detection port, change master gauge and can realize on-line checkingi, improve detection efficiency, operate easier, handle can realize rotating at any angle within the scope of 90 degree, reduces the damage of gas to instrument when opening instrument.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of instrument root valve of the present utility model;
Fig. 2 is the left view of an embodiment of instrument root valve of the present utility model;
Fig. 3 is the plan view of an embodiment of instrument root valve of the present utility model;
Fig. 4 is the schematic diagram of the valve body of an embodiment of instrument root valve of the present utility model;
Fig. 5 is the schematic diagram of the valve body of an embodiment of instrument root valve of the present utility model;
Fig. 6 is the left view of the valve body of an embodiment of instrument root valve of the present utility model;
Fig. 7 is the plan view of the valve body of an embodiment of instrument root valve of the present utility model;
Fig. 8 is the schematic diagram of the cock parts of an embodiment of instrument root valve of the present utility model;
Fig. 9 is the schematic diagram of the cock parts of an embodiment of instrument root valve of the present utility model.
Description of reference numerals
100 valve bodies, 110 meter base, 120 chambers, 130 pressure gauge bases, 140 relief holes, 150 detection port, 160 pedestals, detection port 170,200 cock parts, 210 gas break-make parts, 220 rotatable parts, 211 vents, 212 detect stomidiums, 213 detect aperture, 300 survivor of a murder attempt's nuts, 400 valve gaps, 500 pressure relief component, 600 gasket seals, 700 rotating-operation members, 800 seal cartridges, 900 sealing parts, Y work instrument.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in figs 1-9, instrument root valve of the present utility model, comprise valve body 100, meter base 110, cock parts 200, seal cartridge 800, valve gap 400, gasket seal 600 and operation rotatable parts 700, wherein: valve body 100 comprises the pedestal 160 be connected with process pipe, the chamber 120 of allowing the pipeline that gas is passed to instrument Y from process pipe and being positioned at for mating with cock parts 200 in the middle part of pipeline; Cock parts 200 comprise the parts 210 controlling gas break-make and the parts 220 rotating cock for fitting operation, the two is one-body molded, and the parts 210 wherein controlling gas break-make are positioned at chamber 120 in the middle part of valve body 100 and are provided with the through hole 211 matched with conduit; Meter base 110 is positioned at valve body 100 upper end, and it is for connecting work instrument Y; Seal cartridge 800 is between cock parts 200 and valve body 100; Valve gap 400 is installed on the outside of the gas break-make parts 210 of cock parts 200, is provided with gasket seal 600 between valve gap 400 and cock parts 200; Rotating-operation member 700 is installed on the rotatable parts 220 of cock parts 200.
In a preferred embodiment, as shown in Figure 5, described meter base 110 is formed in one or welding fabrication with valve body 100, this arrangement eliminates the connection interface of meter base 110 and valve body 100, thus decreases leakage point.
In a preferred embodiment, as described in Figure 1, described valve body 100 is provided with relief hole 140, is provided with pressure relief component 500 in relief hole 140, pressure relief component 500 can select pressure release screw, when needs maintenance or dismounting pressure gauge, cock parts 200 can be rotated, breather line is closed, pressure release screw is unscrewed, other release slowly to make high pressure remaining in pipeline, thus solve the problem that builds the pressure in instrument maintenance and unloading process, improve Security.
In a preferred embodiment, as shown in Figure 4 and Figure 5, described valve body 100 is also provided with detection port 170 and described cock 200 has hole 212 at detection port 170 place, detection port 170 is provided with pressure gauge base 130, pressure gauge base 130 is connected on valve body 100 by the mode of welding, when normal work, pressure gauge base 130 end is sealed by sealing part 900, sealing part 900 can select plug, when normal working, meter base 130 end utilizes plug to be sealed air outlet, when needs are tested, rotate cock parts 200, it is made not have the side in hole to contact with process pipe, now close valve, plug is taken off, the pressure gauge changing standard can carry out on-line monitoring, this mode improves the efficiency of monitoring.
In a preferred embodiment, described work instrument is connected in meter base 110 by survivor of a murder attempt's nut 300, can according to user preferences adjust instrument towards.
In a preferred embodiment, described rotatable parts 700 are handle, handle can drive cock parts 200 to do 90 degree of rotations, when instrument Y opened by needs, slowly first handle 700 can be rotated a little angle, make a small amount of gas enter pipeline, there is registration in instrument Y under gas pressure, after instrument Y registration is stablized, gradually handle 700 is adjusted to the state that passage is all opened again, can reduce like this because pressure rises sharply to the infringement that instrument is brought.
Instrument root valve of the present utility model operationally, time in off position, handle 700 is rotated a small angle, some is identical with valve body 100 duct orientation for the passage of cock parts 200, and registration appears in work instrument Y, the angle of rotating along with cock parts 200 becomes large, gas channel becomes large, and pressure gauge registration increases, when after rotatable handle 90 degree, the passage of cock parts 200 is all opened, and working instrument represents that number reaches stable gradually; As needs check work instrument Y, first rotatable handle 700, makes do not have medium to pass through in passage, is taken off by plug 900, change master gauge, rotatable handle 700, passage is opened, and checks that whether work instrument Y is consistent with the registration of master gauge; As needs replacing or service work instrument Y, close gas channel, pressure release screw is unscrewed, makes gas leakage, then work instrument Y is changed or overhauled.
The foregoing is only preferred embodiment of the present utility model, be not used for limiting practical range of the present utility model; If do not depart from spirit and scope of the present utility model, the utility model is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in the utility model claim.

Claims (10)

1. an instrument root valve, is characterized in that, comprises valve body, meter base, cock parts, seal cartridge, valve gap, gasket seal and operation rotatable parts, wherein:
Described valve body comprise be connected with process pipe pedestal, allow that medium is passed to the pipeline of instrument from process pipe and is positioned in the middle part of pipeline for the chamber with cock parts match;
Described cock parts comprise the parts of control gas break-make and the parts for operating rotation cock, and the two is one-body molded, and wherein the parts of control media break-make are positioned at valve body center lumen indoor and are provided with the through hole matched with conduit;
Described meter base is positioned at described valve body upper end, and it is for connecting work instrument;
Described seal cartridge is between described cock parts and described valve body;
Described valve gap is installed on the outside of described cock component controls medium break-make parts, is provided with gasket seal between described valve gap and described cock parts;
Described operation rotatable parts are installed on the rotatable parts of described cock parts.
2. according to the instrument root valve described in claim 1, it is characterized in that, described meter base and described valve body are formed in one or welding fabrication.
3. according to the instrument root valve described in claim 1, it is characterized in that, described valve body is provided with relief hole, is provided with pressure relief component in relief hole.
4. according to the instrument root valve described in claim 3, it is characterized in that, described pressure relief component is pressure release screw.
5. according to the instrument root valve described in claim 1, it is characterized in that, described valve body is also provided with detection port and described cock has hole at detection port place, detection port is provided with pressure gauge base, when normal work, pressure gauge base end is sealed by sealing part.
6. according to the instrument root valve described in claim 5, it is characterized in that, described sealing part is plug, and plug is threaded connection in detection port.
7. according to the instrument root valve described in claim 5, it is characterized in that, described pressure gauge base is connected by welding on valve body.
8. according to the instrument root valve described in claim 1, it is characterized in that, described work instrument is connected in meter base by survivor of a murder attempt's nut, can according to user preferences adjust instrument towards.
9. according to the instrument root valve described in claim 1, it is characterized in that, described rotatable parts are handle, handle limited location device, drive cock to do 90 degree of rotations.
10. according to the instrument root valve described in claim 9, it is characterized in that, described handle is locked by bolt and nut and cock parts.
CN201520108364.1U 2015-02-13 2015-02-13 A kind of instrument root valve Active CN204459240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520108364.1U CN204459240U (en) 2015-02-13 2015-02-13 A kind of instrument root valve

Publications (1)

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CN204459240U true CN204459240U (en) 2015-07-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633160A (en) * 2015-02-13 2015-05-20 安策阀门(太仓)有限公司 Instrument root valve
CN105805338A (en) * 2016-05-23 2016-07-27 航天晨光股份有限公司 Valve for corrugated pipe and with leakage detection function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104633160A (en) * 2015-02-13 2015-05-20 安策阀门(太仓)有限公司 Instrument root valve
CN105805338A (en) * 2016-05-23 2016-07-27 航天晨光股份有限公司 Valve for corrugated pipe and with leakage detection function
CN105805338B (en) * 2016-05-23 2019-07-16 航天晨光股份有限公司 A kind of effective band leakage detection function valve of ripple

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